they all went for president obama in 2008. karen travers, abc news, washington. >>> prep work gets in full swing today for next week's oracle open world the annual weeklong tech conference that brings in 50,000 gets underway sunday army of techs will begin transforming the moss mosconey center today. [ unintelligible ] >>> mike is here with the big story that affects everybody the weather it is changing. >> it is. today a little bit, tomorrow sunday, monday, big time changes heatwave coming in. what is slowing it today is thicker fog, a little more widespread, harder to get rid of today and that's why we are going to have temperatures like yesterday during the afternoon hours today. it is dry this morning, mist out there as you dry through some of the thicker cloud cover you may have to use windshield wipers once or twice, no organized areas yet. fog santa rosa 48, fog along the coast 50 there half moon bay into san francisco and san rafael 60 in livermore. low to mid 50s if you are leaving the house now -- a little warming to